//
// Global Foundation Mixins
//

$experimental: true !default;

// We use this to control border radius.
@mixin radius($radius:$global-radius) {
	@if $radius {
		@if $experimental {
			-webkit-border-radius: $radius;
		}
		border-radius: $radius;
	}
}

// We use this to create equal side border radius on elements.
@mixin side-radius($side, $radius:$global-radius) {
	@if $side == left {
		@if $experimental {
			-moz-border-radius-bottomleft: $radius;
			-moz-border-radius-topleft: $radius;
			-webkit-border-bottom-left-radius: $radius;
			-webkit-border-top-left-radius: $radius;
		}
		border-bottom-left-radius: $radius;
		border-top-left-radius: $radius;
	}
	@else if $side == right {
		@if $experimental {
			-moz-border-radius-topright: $radius;
			-moz-border-radius-bottomright: $radius;
			-webkit-border-top-right-radius: $radius;
			-webkit-border-bottom-right-radius: $radius;
		}
		border-top-right-radius: $radius;
		border-bottom-right-radius: $radius;
	}
	@else if $side == top {
		@if $experimental {
			-moz-border-radius-topright: $radius;
			-moz-border-radius-topleft: $radius;
			-webkit-border-top-right-radius: $radius;
			-webkit-border-top-left-radius: $radius;
		}
		border-top-right-radius: $radius;
		border-top-left-radius: $radius;
	}
	@else if $side == bottom {
		@if $experimental {
			-moz-border-radius-bottomright: $radius;
			-moz-border-radius-bottomleft: $radius;
			-webkit-border-bottom-right-radius: $radius;
			-webkit-border-bottom-left-radius: $radius;
		}
		border-bottom-right-radius: $radius;
		border-bottom-left-radius: $radius;
	}
}

// We can control whether or not we have inset shadows edges.
@mixin inset-shadow($active:true) {
	@if $experimental {
		-webkit-box-shadow: $shiny-edge-size $shiny-edge-color inset;
	}
	box-shadow: $shiny-edge-size $shiny-edge-color inset;

	@if $active { &:active {
		@if $experimental {
			-webkit-box-shadow: $shiny-edge-size $shiny-edge-active-color inset;
		}
		box-shadow: $shiny-edge-size $shiny-edge-active-color inset; } }
}

// We use this to add transitions to elements
@mixin single-transition($property:all, $speed:300ms, $ease:ease-out) {
	@if $experimental {
		-webkit-transition: $property $speed $ease;
		-moz-transition: $property $speed $ease;
	}
	transition: $property $speed $ease;
}

// We use this to add box-sizing across browser prefixes
@mixin box-sizing($type:border-box) {
	@if $experimental {
		-moz-box-sizing: $type;
		-webkit-box-sizing: $type;
	}
	box-sizing: $type;
}

// We use this to create equilateral triangles
@mixin css-triangle($triangle-size, $triangle-color, $triangle-direction) {
	content: "";
	display: block;
	width: 0;
	height: 0;
	border: inset $triangle-size;
	@if ($triangle-direction == top) {
		border-color: $triangle-color transparent transparent transparent;
		border-top-style: solid;
	}
	@if ($triangle-direction == bottom) {
		border-color: transparent transparent $triangle-color transparent;
		border-bottom-style: solid;
	}
	@if ($triangle-direction == left) {
		border-color: transparent transparent transparent $triangle-color;
		border-left-style: solid;
	}
	@if ($triangle-direction == right) {
		border-color: transparent $triangle-color transparent transparent;
		border-right-style: solid;
	}
}

// We use this to do clear floats
@mixin clearfix() {
	*zoom:1;
	&:before, &:after { content: " "; display: table; }
	&:after { clear: both; }
}


// We use this to add a glowing effect to block elements
@mixin block-glowing-effect($selector:focus, $fade-time:300ms, $glowing-effect-color:fade-out($primary-color, .25)) {
	@if $experimental {
		-webkit-transition: -webkit-box-shadow $fade-time, border-color $fade-time ease-in-out;
		-moz-transition: -moz-box-shadow $fade-time, border-color $fade-time ease-in-out;
	}
	transition: box-shadow $fade-time, border-color $fade-time ease-in-out;

	&:#{$selector} {
		@if $experimental {
			-webkit-box-shadow: 0 0 5px $glowing-effect-color;
			-moz-box-shadow: 0 0 5px $glowing-effect-color;
		}
		box-shadow: 0 0 5px $glowing-effect-color;
		border-color: $glowing-effect-color;
	}
}

//
// Foundation Variables
//

// The default font-size is set to 100% of the browser style sheet (usually 16px)
// for compatibility with brower-based text zoom or user-set defaults.

// Since the typical default browser font-size is 16px, that makes the calculation for grid size.
// If you want your base font-size to be different and not have it effect the grid breakpoints,
// set $em-base to $base-font-size and make sure $base-font-size is a px value.
$base-font-size: 100% !default;

// $base-line-height is 24px while $base-font-size is 16px
$base-line-height: 150% !default;

// This is the default html and body font-size for the base em value.
$em-base: 16px !default;

// It strips the unit of measure and returns it
@function strip-unit($num) {
	@return $num / ($num * 0 + 1);
}

// New Syntax, allows to optionally calculate on a different base value to counter compounding effect of em's.
// Call with 1, 2, 3 or 4 parameters, 'px' is not required but supported
// em-calc(10 20 30px 40);
// Space delimited, if you want to delimit using comma's, wrap it in another pair of brackets
// em-calc((10, 20, 30, 40px));
// Optionally call with a different base (eg: 8px) to calculate em.
// em-calc(16px 32px 48px, 8px);
// If you require to comma separate your list
// em-calc((16px, 32px, 48), 8px);

@function convert-to-em($value, $base-value: $em-base)  {
	$value: strip-unit($value) / strip-unit($base-value) * 1em;
	@if ($value == 0em) { $value: 0; } // Turn 0em into 0
	@return $value;
}

@function em-calc($values, $base-value: $em-base) {
	$max: length($values);

	@if $max == 1 { @return convert-to-em(nth($values, 1), $base-value); }

	$emValues: ();
	@for $i from 1 through $max {
		$emValues: append($emValues, convert-to-em(nth($values, $i), $base-value));
	}
	@return $emValues;
}

// Support for the old syntax

@function emCalc($values){
	@return em-calc($values);
}

// Maybe you want to create rems with pixels
// $rem-base: 0.625 !default; //Set the value corresponding to body font size. In this case, you should set as: body {font-size: 62.5%;}
// @function remCalc($pxWidth) {
//   @return $pxWidth / $rem-base * 1rem;
// }

// We use these to control various global styles
$body-bg: #fff !default;
$body-font-color: #222 !default;
$body-font-family: "Helvetica Neue", "Helvetica", Helvetica, Arial, sans-serif !default;
$body-font-weight: normal !default;
$body-font-style: normal !default;

// We use this to control font-smoothing
$font-smoothing: subpixel-antialiased !default;

// We use these to control text direction settings
$text-direction: ltr !default;

// NOTE: No need to change this conditional statement, $text-direction variable controls it all.
$default-float: left !default;
$opposite-direction: right !default;
@if $text-direction == ltr {
	$default-float: left;
	$opposite-direction: right;
	} @else {
	$default-float: right;
	$opposite-direction: left;
}

// We use these as default colors throughout
$primary-color: #2ba6cb !default;
$secondary-color: #e9e9e9 !default;
$alert-color: #c60f13 !default;
$success-color: #5da423 !default;

// We use these to make sure border radius matches unless we want it different.
$global-radius: 3px !default;
$global-rounded: 1000px !default;

// We use these to control inset shadow shiny edges and depressions.
$shiny-edge-size: 0 1px 0 !default;
$shiny-edge-color: rgba(#fff, .5) !default;
$shiny-edge-active-color: rgba(#000, .2) !default;

// We use this to control whether or not CSS classes come through in the gem files.
$include-html-classes: true !default;
$include-print-styles: true !default;
$include-html-global-classes: $include-html-classes !default;

// Media Queries
$small-screen: 768px !default;
$medium-screen: 1280px !default;
$large-screen: 1440px !default;

$screen: "only screen" !default;
$small: "only screen and (min-width: #{$small-screen})" !default;
$medium: "only screen and (min-width:#{$medium-screen})" !default;
$large: "only screen and (min-width:#{$large-screen})" !default;
$landscape: "only screen and (orientation: landscape)" !default;
$portrait: "only screen and (orientation: portrait)" !default;


//We use this as cursors values for enabling the option of having custom cursors in the whole site's stylesheet
$cursor-crosshair-value: crosshair !default;
$cursor-default-value: default !default;
$cursor-pointer-value: pointer !default;
$cursor-help-value: help !default;
$cursor-text-value: text !default;


@if $include-html-global-classes {

	// Used to provide media query values for javascript components.
	meta.foundation-mq-small {
		font-family: $small;
		width: $small-screen;
	}

	meta.foundation-mq-medium {
		font-family: $medium;
		width: $medium-screen;
	}

	meta.foundation-mq-large {
		font-family: $large;
		width: $large-screen;
	}
	
	// Set box-sizing globally to handle padding and border widths
	*,
	*:before,
	*:after {
		@include box-sizing(border-box);
	}

	html,
	body { font-size: $base-font-size; }

	// Default body styles
	body {
		background: $body-bg;
		color: $body-font-color;
		padding: 0;
		margin: 0;
		font-family: $body-font-family;
		font-weight: $body-font-weight;
		font-style: $body-font-style;
		line-height: 1; // Set to $base-line-height to take on browser default of 150%
		position: relative;
		cursor: $cursor-default-value;
	}

	a:hover { cursor: $cursor-pointer-value; }

	// Grid Defaults to get images and embeds to work properly
	img,
	object,
	embed { max-width: 100%; height: auto; }

	object,
	embed { height: 100%; }
	img { -ms-interpolation-mode: bicubic; }

	#map_canvas,
	.map_canvas {
		img,
		embed,
		object { max-width: none !important;
		}
	}

	// Miscellaneous useful HTML classes
	.left         { float: left !important; }
	.right        { float: right !important; }
	.text-left    { text-align: left !important; }
	.text-right   { text-align: right !important; }
	.text-center  { text-align: center !important; }
	.text-justify { text-align: justify !important; }
	.hide         { display: none; }

	// Font smoothing
	// Antialiased font smoothing works best for light text on a dark background.
	// Apply to single elements instead of globally to body.
	// Note this only applies to webkit-based desktop browsers on the Mac.
	.antialiased { -webkit-font-smoothing: antialiased; }

	// Get rid of gap under images by making them display: inline-block; by default
	img {
		display: inline-block;
		vertical-align: middle;
	}

	//
	// Global resets for forms
	//

	// Make sure textarea takes on height automatically
	textarea { height: auto; min-height: 50px; }

	// Make select elements 100% width by default
	select { width: 100%; }

}
